hp for pulley/tune/exhaust

I'm sure this gets asked a lot, i tried searching but everytime i tried it just said no results found, not sure why. Anyways My buddy ordered a bunch of parts for his car and his goals are way too optimistic for his power imo. mods include jlt next gen intake, 2.8 pulley, metco idlers, o/r xpipe, catback, and 93 octane tune. From other peoples post I'm assuming this would make around 440whp? he's hoping for 460-480 which i dont see without porting the blower. Also, what would this setup run on dr's with a good driver? mid-lower 11's at 118+?

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